Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o número de torcedores para o time visitante de Richmond?
 ###Tabelas: CREATE TABLE navies_and_ships_involved (navies_and_ships_involved_id AUTO_INCREMENT PRIMARY KEY, Warship VARCHAR, tons ( L.ton ) VARCHAR, Horse- power INT, Speed ( Knots ) INT, Main Artillery VARCHAR, Built Year INT) CREATE TABLE nationaal_songfestival_2009 (nationaal_songfestival_2009_id AUTO_INCREMENT PRIMARY KEY, Draw INT, Song VARCHAR, Jury INT, Televote INT, Total INT, Place VARCHAR) CREATE TABLE 1980–1989 (1980–1989_id AUTO_INCREMENT PRIMARY KEY, January VARCHAR, February VARCHAR, March VARCHAR, April VARCHAR, June VARCHAR, July VARCHAR, August VARCHAR, September VARCHAR, October VARCHAR, November VARCHAR, December VARCHAR) CREATE TABLE round_6 (round_6_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE division_one_final_table (division_one_final_table_id AUTO_INCREMENT PRIMARY KEY, Position INT, Team VARCHAR, Played INT, Drawn INT, Lost INT, Goals For INT, Goals Against INT, Goal Difference VARCHAR, Points 1 VARCHAR)  
SELECT SUM Crowd FROM round_6 WHERE Away team = richmond